21744381

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 7866627

約数列:

[1, 3, 67, 201, 251, 431, 753, 1293, 16817, 28877, 50451, 86631, 108181, 324543, 7248127, 21744381]

約数ペア:

[(1, 21744381), (3, 7248127), (67, 324543), (201, 108181), (251, 86631), (431, 50451), (753, 28877), (1293, 16817)]